Hackney Company, which has only one product, has provided the following data concerning its most recent month of operations:

Hackney Company, which has only one product, has provided the following data concerning its most recent month of operations:$ 110048004700100Variable costs per unit:$3052variable manufacturing overhead $ 3$ 7Fixed costs:$ 72,000$ 9,400What is the net operating income for the month under variable costing?$4,700 $(5,300) $1,500 $3,200